Let's think about it this way for a second
mkdir (make directory) creates a new folder. touch creates an empty file (or updates the timestamp of one that already exists). rmdir can only delete an empty folder — it'll throw an error if there's anything inside. rm deletes files, and rm -r deletes an entire folder along with everything in it. Here's the most important thing to remember — Linux has no Recycle Bin. rm deletes instantly and permanently.
Let's connect this to a real-world scenario
Copy-pasting rm -rf from Google without understanding it is a recurring theme in beginner horror stories — the -f (force) flag deletes without asking for confirmation, so if you run it against the wrong folder, there's no getting it back. A safer habit is to run ls first to check exactly what you're about to delete — like checking what's in the gas tank before you light the match.
Let's try it together in the terminal
mkdir practice
touch practice/notes.txt
ls practice
rmdir practice # folder ထဲမှာ file ရှိလို့ error ပြမည်
rm practice/notes.txt
rmdir practice # အခု အလုပ်ဖြစ်မည်You can create a practice folder, create notes.txt inside it, and then successfully delete the folder.5-minute try-it
mkdir a folder called test-folder. touch 2 files inside it. Then clean it all up at once with rm -r.
A quick word of caution
Before running rm -rf, always check pwd first to confirm 'where am I right now.' Running rm -rf * in the wrong folder can leave damage there's no fixing.